import java.util.Arrays;

//冒泡排序
public class hw4 {
    public static void main(String[] args) {
        int [] arr = new int[] {4,5,6,3,7,0};
        System.out.println(Arrays.toString(sortArr(arr)));
    }
    public static int []  sortArr(int [] arr) {
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0; j < arr.length - i - 1 ; j++) {
                if ( arr[j] < arr[j+1]) {
                    int tmp = arr[j];
                    arr[j] = arr[j+1];
                    arr[j + 1] = tmp;

                }
            }

        }
        return arr;
    }
}
